Hundreds of universities and colleges worldwide are turning to software programs and algorithms to help match dorm roommates. CNET.com's Kara Tsuboi reports on how this technology aims to reduce bad pairings and the two questions that may best determine whether roommates get along.

Pao, a polarizing figure in Silicon Valley after a high-profile gender discrimination suit, stepped down as the leader of the popular social-networking and news site after hundreds of thousands called for her to resign.